Finding the Third Proportional to 65,419,884 and 142,722,585

Step by Step Solution

1. Step 1: Write the proportion equation
   65,419,884 : 142,722,585 = 142,722,585 : x
2. Step 2: Convert to fraction form
   65,419,884/142,722,585 = 142,722,585/x
3. Step 3: Cross multiply
   65,419,884x = 142,722,585 × 142,722,585
4. Step 4: Simplify right side
   65,419,884x = 20,369,736,269,082,224
5. Step 5: Solve for x
   x = 20,369,736,269,082,224/65,419,884
6. Step 6: Final answer
   x = 311,369,189.67